qonversion_flutter 8.3.1

Flutter plugin to implement in-app subscriptions and purchases. Validate user receipts and manage cross-platform access to paid content on your app. Android & iOS.

example/lib/main.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:qonversion_example/constants.dart';

import 'handling_notification.dart';
import 'home.dart';
import 'params_view.dart';
import 'products_view.dart';
import 'dart:async';

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'dart:convert';

/// Define a top-level named handler which background/terminated messages will
/// call.
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
  print('Handling a background message ${message.messageId}');
  showNotification(message);
}

/// Initialize the [FlutterLocalNotificationsPlugin] package.
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;

/// Create a [AndroidNotificationChannel] for heads up notifications
AndroidNotificationChannel channel;

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();

  // Set the background messaging handler early on, as a named top-level function
  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);

  if (!kIsWeb) {
    channel = const AndroidNotificationChannel(
      Constants.channelId, // id
      Constants.channelName, // name
      importance: Importance.high,
    );

    /// Configure FlutterLocalNotificationsPlugin
    flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
    var initializationSettingsAndroid =
        AndroidInitializationSettings('launch_background');
    var initializationSettingsIOS = IOSInitializationSettings(
        requestAlertPermission: true,
        requestBadgePermission: true,
        requestSoundPermission: false);
    var initializationSettings = InitializationSettings(
        android: initializationSettingsAndroid, iOS: initializationSettingsIOS);

    await flutterLocalNotificationsPlugin.initialize(initializationSettings,
        onSelectNotification: (String payload) async {
      var notificationData = jsonDecode(payload);
      onNotificationClick(notificationData);
    });

    /// Create an Android Notification Channel.
    await flutterLocalNotificationsPlugin
        .resolvePlatformSpecificImplementation<
            AndroidFlutterLocalNotificationsPlugin>()
        ?.createNotificationChannel(channel);

    /// Update the iOS foreground notification presentation options to allow heads up notifications.
    await FirebaseMessaging.instance
        .setForegroundNotificationPresentationOptions(
      alert: true,
      badge: true,
      sound: true,
    );
  }
  /// Grant entitlements for iOS
  if (Platform.isIOS) {
    NotificationSettings settings =
        await FirebaseMessaging.instance.requestPermission(
      announcement: true,
      carPlay: true,
      criticalAlert: true,
    );

    if (settings.authorizationStatus == AuthorizationStatus.authorized) {
      print('User granted permission');
    } else if (settings.authorizationStatus ==
        AuthorizationStatus.provisional) {
      print('User granted provisional permission');
    } else {
      print('User declined or has not accepted permission');
    }
  }

  runApp(SampleApp());
}

/// Entry point for the example application.
class SampleApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      initialRoute: '/',
      routes: {
        '/': (_) => HomeView(),
        'products': (_) => ProductsView(),
        'params': (_) => ParamsView()
      },
    );
  }
}